Magic Rainbow Puzzle Ball, Speed ​​Cube Ball Fun Stress Relief Magic Ball Educational Brain Teaser SAFE MATERIAL - This rainbow puzzle ball is made of environmentally friendly ABS material, non-toxic and harmless, lightweight and comfortable in the hand. FUN TO PLAY - This is a big rainbow ball with 12 holes and 11 colored small balls inside, and there is a sponge in the middle that makes the colored balls slide from one slot to another when you press on it. To complete the puzzle you need to match all 11 balls with the corresponding colored rings. ENJOY YOUR TIME - The diameter of this fidget ball is only 7cm, it is small, convenient and can be taken anywhere. It is the ideal entertainment toy for children, teenagers and adults at home, at work or on the go. Say goodbye to boredom! GOOD FOR ALL AGES - Magic ball is a puzzle game that requires concentration, careful observation and thinking, can exercise the brain and improve problem-solving ability. It can also help children reduce the time they spend in front of the screen and increase their thinking skills, and help adults relieve work pressure.